Axxess GMOS-LAN-02 GM/LAN Amplified Integrated Harness for 2006-Up Select GM/Chevrolet Vehicles Allows for the installation of an aftermarket receiver in select GM Vehicles Retains door chimes, safety warning and OnStar.USB-CAB (sold separately) updatable Provides a mute, parking brake, VSS or speed sense, and a reverse output Where applicable, seat heaters and back-up sensors are retained Compatible with amplified 2006-07 GM vehicles For non-digital, amplifed audio systems Retains OnStar / OE Bluetooth with adjustable volume output Retains chime with adjustable volume output Retains RAP feature